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Proceedings Paper

Correlative microscopy including CLSM and SEM to improve high-speed, high-resolution laser-engraved print and embossing forms
Author(s): Markus Bohrer; Michael Schweitzer; Robert Nirnberger; Bernhard Weinberger
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Paper Abstract

The industrial market for processing large-scale films has seen dramatic changes since the 1980s and has almost completely been replaced by lasers and digital processes. A commonly used technology for engraving screens, print and embossing forms in the printing industry, well known since then, is the use of RF-excited CO2 lasers with a beam power up to about 1 kW, modulated in accordance to the pattern to be engraved. Future needs for high-security printing (banknotes, security papers, passports, etc.) will require laser engraving of at least half a million or even more structured elements with a depth from some μm up to 500 μm. Industry now wants photorealistic pictures in packaging design, which requires a similar performance. To ensure ’trusted pulses’ from the digital process to the print result the use of correlative microscopy (CLSM and SEM) is demonstrated as a complete chain for a correlative print process in this paper.

Paper Details

Date Published: 16 December 2015
PDF: 14 pages
Proc. SPIE 9636, Scanning Microscopies 2015, 963609 (16 December 2015); doi: 10.1117/12.2197471
Show Author Affiliations
Markus Bohrer, Dr. Bohrer Lasertec GmbH (Austria)
Vienna Univ. of Technology (Austria)
Michael Schweitzer, Carl Zeiss SMT GmbH (Austria)
Robert Nirnberger, Carl Zeiss SMT GmbH (Austria)
Bernhard Weinberger, Dr. Bohrer Lasertec GmbH (Austria)

Published in SPIE Proceedings Vol. 9636:
Scanning Microscopies 2015
Michael T. Postek; Dale E. Newbury; S. Frank Platek; Tim K. Maugel, Editor(s)

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